103031221200000 has 768 divisors, whose sum is σ = 352142342697600. Its totient is φ = 26669813760000.

The previous prime is 103031221199999. The next prime is 103031221200001. The reversal of 103031221200000 is 2122130301.

It is an interprime number because it is at equal distance from previous prime (103031221199999) and next prime (103031221200001).

It is a super-3 number, since 3×103031221200000³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (103031221200001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20734797516 + ... + 20734802484.

Almost surely, 2^{103031221200000} is an apocalyptic number.

103031221200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103031221200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176071171348800).

103031221200000 is an abundant number, since it is smaller than the sum of its proper divisors (249111121497600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103031221200000 is an frugal number, since it uses more digits than its factorization.

103031221200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5483 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103031221200000 its reverse (2122130301), we get a palindrome (103033343330301).

The spelling of 103031221200000 in words is "one hundred three trillion, thirty-one billion, two hundred twenty-one million, two hundred thousand".